are all_same_p for an object type.
  We need this for Opportunities, which have a separate page,
  but which are basically just projects

  Now allowing to exclude attributes

  - Moved main audit_impl into intranet-core
  - Replaced im_project_audit by im_audit

  Deal with widgets with double outer parentesis.
  No idea how they every got in there. During 5.0 upgrade?

  -section_heading now optional, because there
  seem to be pages "out" there still without it